<template>
    <div>
        <!--面包屑导航-->
        <el-breadcrumb separator-class="el-icon-arrow-right">
            <el-breadcrumb-item :to="{ path: '/home' }">首页</el-breadcrumb-item>
            <el-breadcrumb-item>用户管理</el-breadcrumb-item>
            <el-breadcrumb-item>用户列表</el-breadcrumb-item>
        </el-breadcrumb>

        <!--卡片-->
        <el-card>
            <!--搜索-->
            <el-row :gutter="20">
                <el-col :span="8">
                    <el-input placeholder="请输入内容" v-model="queryInfo.query" clearable @clear="getUserList">
                        <el-button slot="append" icon="el-icon-search" @click="getUserList"></el-button>
                    </el-input>
                </el-col>
                <el-col :span="4">
                    <el-button type="primary" @click="addDialogVisible = true">添加用户</el-button>
                </el-col>
            </el-row>
            <!--列表-->
            <el-table :data="userlist" border stripe>
                <el-table-column type="index" label="#"></el-table-column> <!--排序 -->
                <el-table-column label="姓名" prop="username"></el-table-column>
                <el-table-column label="邮箱" prop="email"></el-table-column>
                <el-table-column label="电话" prop="mobile"></el-table-column>
                <el-table-column label="角色" prop="role_name"></el-table-column>
                <el-table-column label="状态">
                    <template slot-scope="scope"><!-- slot-scope弃用，改为slot-scope 后面为命名 -->
                        <el-switch v-model="scope.row.mg_state"
                            @change="userStateChanged(scope.row)"><!-- element组件开关中绑定mg_state的布尔数据 -->
                        </el-switch>
                    </template>
                </el-table-column>
                <el-table-column label="操作" width="180px">
                    <template slot-scope="scope">
                        <el-tooltip effect="dark" content="编辑" placement="top" :enterable="false">
                            <el-button type="primary" icon="el-icon-edit" size="mini"
                                @click="shouEditDialog(scope.row.id)"></el-button>
                        </el-tooltip>
                        <el-tooltip effect="dark" content="删除" placement="top" :enterable="false">
                            <el-button type="danger" icon="el-icon-delete" size="mini"
                                @click="removUserById(scope.row.id)"></el-button>
                        </el-tooltip>
                        <el-tooltip effect="dark" content="分配角色" placement="top" :enterable="false">
                            <el-button type="warning" icon="el-icon-setting" size="mini"
                                @click="setRole(scope.row)"></el-button>
                        </el-tooltip>

                    </template>

                </el-table-column>
            </el-table>
            <!-- 页数页脚 -->
            <el-pagination @size-change="handleSizeChange" @current-change="handleCurrentChange"
                :current-page="queryInfo.pagenum" :page-sizes="[1, 2, 5, 10]" :page-size="queryInfo.pagesize"
                layout="total, sizes, prev, pager, next, jumper" :total="total">
            </el-pagination>
        </el-card>
        <!-- 添加用户对话框 -->
        <el-dialog title="添加用户" :visible.sync="addDialogVisible" width="50%" @close="addDialogClosed">
            <el-form :model="addForm" :rules="addFormRules" ref="addFormRef" label-width="70px">
                <el-form-item label="用户名" prop="username">
                    <el-input v-model="addForm.username"></el-input>
                </el-form-item>
                <el-form-item label="密码" prop="password">
                    <el-input v-model="addForm.password"></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="addForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="addForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="addDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="addUser">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 修改对话框 -->
        <el-dialog title="修改用户" :visible.sync="editDialogVisible" width="50%" @close="editDialogClosed">
            <el-form :model="editForm" :rules="editFormRules" ref="editFormRef" label-width="70px">
                <el-form-item label="用户名">
                    <el-input v-model="editForm.username" disabled></el-input>
                </el-form-item>
                <el-form-item label="邮箱" prop="email">
                    <el-input v-model="editForm.email"></el-input>
                </el-form-item>
                <el-form-item label="手机" prop="mobile">
                    <el-input v-model="editForm.mobile"></el-input>
                </el-form-item>
            </el-form>
            <span slot="footer" class="dialog-footer">
                <el-button @click="editDialogVisible = false">取 消</el-button>
                <el-button type="primary" @click="editUserInfo">确 定</el-button>
            </span>
        </el-dialog>
        <!-- 分配角色 -->
        <el-dialog title="提示" :visible.sync="setRoleDialogvisible" width="50%" @close="setRoleDialogClosed">
            <div>
                <p>当前的用户：{{ userinfo.username }}</p>
                <p>当前的角色：{{ userinfo.role_name }}</p>
                <p>分配新角色：
                    <el-select v-model="selectedRoleId" placeholder="请选择">
                        <el-option v-for="item in roleslist" :key="item.id" :label="item.roleName" :value="item.id">
                        </el-option>
                    </el-select>
                </p>
            </div>
            <span slot="footer" class="dialog-footer">
                <el-button @click="setRoleDialogvisible = false">取 消</el-button>
                <el-button type="primary" @click="saveRoleInfo">确 定</el-button>
            </span>
        </el-dialog>
    </div>
</template>

<script>
export default {
    data() {
        var checkEmail = (rule, value, cb) => {
            //验证邮箱的自定义规则
            const regEmail = /^([a-zA-Z0-9_-])+@([a-zA-Z0-9_-])+(\.[a-zA-Z0-9_-])+/
            if (regEmail.test(value)) {
                return cb()
            }
            cb(new Error('请输入合法的邮箱'))
        }
        var checkMobile = (rule, value, cb) => {
            //验证手机的自定义规则
            const regMobile = /^((\d{11})|^((\d{7,8})|(\d{4}|\d{3})-(\d{7,8})|(\d{4}|\d{3})-(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1})|(\d{7,8})-(\d{4}|\d{3}|\d{2}|\d{1}))$)/
            if (regMobile.test(value)) {
                return cb()
            }
            cb(new Error('请输入合法的手机'))
        }
        return {
            //分配对话框的显示
            setRoleDialogvisible: false,
            queryInfo: {
                query: '',
                //当前页数
                pagenum: 1,
                //每页多少数据
                pagesize: 2
            },
            userlist: [],
            total: 0,
            //对话框显示与隐藏
            addDialogVisible: false,
            addForm: {
                username: '',
                password: '',
                email: '',
                mobile: ''

            },
            addFormRules: {
                username: [
                    { required: true, message: '请输入用户名', trigger: 'blur' },
                    {
                        min: 3, max: 10,
                        message: '用户名长度在3-10之间',
                        trigger: 'blur'
                    }
                ],
                password: [
                    { required: true, message: '请输入密码', trigger: 'blur' },
                    {
                        min: 6, max: 15,
                        message: '密码长度在6-15之间',
                        trigger: 'blur'
                    }
                ],
                email: [
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入手机号码', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]

            },
            editDialogVisible: false,
            //修改表单中查询到的用户信息
            editForm: {},
            //修改表单的验证规则
            editFormRules: {
                email: [
                    { required: true, message: '请输入邮箱', trigger: 'blur' },
                    { validator: checkEmail, trigger: 'blur' }
                ],
                mobile: [
                    { required: true, message: '请输入手机号码', trigger: 'blur' },
                    { validator: checkMobile, trigger: 'blur' }
                ]
            },
            userinfo: {},
            //角色数据列表
            roleslist: [],
            selectedRoleId: ''
        }

    },
    created() {
        this.getUserList()
    },//获取数据库信息
    methods: {
        async getUserList() {
            const { data: res } = await this.$http.get('users', { params: this.queryInfo })
            // console.log(res)
            if (res.meta.status !== 200) {
                return this.$message.error('获取用户列表失败')
            }
            this.userlist = res.data.users
            this.total = res.data.total
            console.log(res)
        },
        // 监听pagesize改变
        handleSizeChange(newSize) {
            /*  console.log(newSize) */
            this.queryInfo.pagesize = newSize
            this.getUserList()
        },
        // 监听页码值改变
        handleCurrentChange(newPage) {
            /* console.log(newPage) */
            this.queryInfo.pagenum = newPage
            this.getUserList()
        },
        //监听switch
        async userStateChanged(userinfo) {
            /* console.log(userinfo) */
            const { data: res } = await this.$http.put(`users/${userinfo.id}/state/${userinfo.mg_state}`)
            if (res.meta.status !== 200) {
                userinfo.mg_state = !userinfo.mg_state;
                return this.$message.error('更新用户状态失败')
            }
            this.$message.success('更新用户状态成功')

        },
        // 监听创建对话框关闭
        addDialogClosed() {
            this.$refs.addFormRef.resetFields()
        },
        // 监听修改对话框关闭
        editDialogClosed() {
            this.$refs.editFormRef.resetFields()
        },
        // 修改用户信息并提交
        editUserInfo() {
            this.$refs.editFormRef.validate(async valid => {
                if (!valid) return
                const { data: res } = await this.$http.put('users/' + this.editForm.id,
                    {
                        email: this.editForm.email,
                        mobile: this.editForm.mobile
                    })
                if (res.meta.status !== 200) {
                    return this.$message.error('更新用户信息失败')
                }
                // 关闭
                this.editDialogVisible = false
                // 刷新
                this.getUserList()
                // 提示成功
                this.$message.success('更新用户信息成功')
            })

        },

        //添加用户
        addUser() {
            this.$refs.addFormRef.validate(async valid => {
                console.log(valid)
                if (!valid) return
                const { data: res } = await this.$http.post('users', this.addForm)

                if (res.meta.status !== 201) {
                    this.$message.error('添加用户失败')
                }
                this.$message.success('添加用户成功')
                this.addDialogVisible = false //隐藏对话框
                this.getUserList() //重新获取列表数据
            })
        },
        //展示编辑用户对话框
        async shouEditDialog(id) {
            // console.log(id)
            const { data: res } = await this.$http.get('users/' + id)
            if (res.meta.status !== 200) {
                return this.$message.error('查询用户信息失败')
            }
            this.editForm = res.data
            // console.log(this.editForm)
            this.editDialogVisible = true

        },
        //删除
        async removUserById(id) {
            console.log(id)
            //弹窗
            const confirmResult = await this.$confirm('此操作将永久删除该用户, 是否继续?',
                '提示',
                {
                    confirmButtonText: '确定',
                    cancelButtonText: '取消',
                    type: 'warning'
                }).catch(err => err)
            // 确认删除返回confirm,取消返回cancel
            // console.log(confirmResult)
            if (confirmResult !== 'confirm') {
                return this.$message.info('已取消删除')
            }
            const { data: res } = await this.$http.delete('users/' + id)

            if (res.meta.status !== 200) {
                return this.$message.error('删除失败')
            }
            this.$message.success('删除成功')
            this.getUserList()

        },
        //展示分配角色对话框
        async setRole(userinfo) {
            this.userinfo = userinfo
            //获取所有角色列表
            const { data: res } = await this.$http.get('roles')
            if (res.meta.status !== 200) {
                return this.$message.error('获取角色列表失败')
            }

            this.roleslist = res.data
            this.setRoleDialogvisible = true

        },
        //确认分配
        async saveRoleInfo() {
            if (!this.selectedRoleId) {
                return this.$message.error('请选择要分配的角色')
            }
            const { data: res } = await this.$http.put(`users/${this.userinfo.id}/role`, { rid: this.selectedRoleId })
            if (res.meta.status !== 200) {
                return this.$message.error('更新角色失败')
            }
            this.$message.success('更新成功')
            this.getUserList()
            this.setRoleDialogvisible = false

        },
        setRoleDialogClosed() {
            this.selectedRoleId = ''
            this.userinfo = {}
        }
    }
}
</script>

<style lang="less" scoped></style>